Samsung S5PC100 User Manual page 528

S5PC100 USER'S MANUAL (REV1.0)
5.2.2 PC Card Configuration and Status Register
(PCCARD_CNFG&STATUS, R/W, Address = 0xE780_1820 )
PCCARD_CNFG
&STATUS
Reserved [31:14] Reserved
CARD_RESET
INT_SEL
nWAIT_EN
DEVICE_ATT
DEVICE_COMM
DEVICE_IO
Reserved
NOCARD_ERR
nWAIT
nIREQ
nCD
Bit
CF card reset in PC card mode
[13]
0 = No reset
1 = Reset
Selects Card interrupt request type
[12]
0 = falling edge triggering
1 = level Low triggering
Enables nWAIT (from CF card)
[11]
0 = Disables (always ready)
1 = Enables
Device type is 16-bits or 8-bits (Attribute memory area)
[10] 0 = 8-bit device
1 = 16-bit device
Device type is 16-bits or 8-bits (Common memory area)
[9]
0 = 8-bit device
1 = 16-bit device
Device type is 16-bits or 8-bits (I/O area)
[8] 0 = 8-bit device
1 = 16-bit device
[7:4] Reserved
No card operation
[3] 0 = No error
1 = Error
nWAIT from CF card
[2]
0 = Wait
1 = Ready
Interrupt request from CF card
[1]
0 = Interrupt request
1 = No interrupt request
Detects Card
[0]
0 = Detects Card
1 = Does not detect card
Description
CF CONTROLLER
R/W Initial State
R 0x0
R/W 0x0
R/W 0x0
R/W 0x1
R/W 0x1
R/W 0x1
R/W 0x1
R 0x0
R 0x0
R 0x1
R 0x1
R 0xX
5.5-33